void setup() {
  pinMode(5, OUTPUT);
   pinMode(12, OUTPUT);
}

void loop() {
  int n=5;
  for(int i=0;i<5;i++){
    digitalWrite(5, HIGH);
  delay(500);
  digitalWrite(5, LOW);
  delay(500);
  }
  
  digitalWrite(12, HIGH);
  delay(500);
  digitalWrite(12, LOW);
  delay(500);

}